From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/basic/bug576837-regexp.js | 41 +++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 js/src/jit-test/tests/basic/bug576837-regexp.js

(limited to 'js/src/jit-test/tests/basic/bug576837-regexp.js')

diff --git a/js/src/jit-test/tests/basic/bug576837-regexp.js b/js/src/jit-test/tests/basic/bug576837-regexp.js
new file mode 100644
index 000000000..956b3eae9
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug576837-regexp.js
@@ -0,0 +1,41 @@
+/*
+ * Check that builtin character classes within ranges produce syntax
+ * errors.
+ *
+ * Note: /\b/ is the backspace escape, which is a single pattern character,
+ * though it looks deceptively like a character class.
+ */
+
+function isRegExpSyntaxError(pattern) {
+    try {
+        var re = new RegExp(pattern);
+    } catch (e) {
+        if (e instanceof SyntaxError)
+            return true;
+    }
+    return false;
+}
+
+//assertEq(isRegExpSyntaxError('[C-\\s]'), false);
+//assertEq(isRegExpSyntaxError('[C-\\d]'), false);
+//assertEq(isRegExpSyntaxError('[C-\\W]'), false);
+assertEq(isRegExpSyntaxError('[C-]'), false);
+assertEq(isRegExpSyntaxError('[-C]'), false);
+assertEq(isRegExpSyntaxError('[C-C]'), false);
+assertEq(isRegExpSyntaxError('[C-C]'), false);
+assertEq(isRegExpSyntaxError('[\\b-\\b]'), false);
+assertEq(isRegExpSyntaxError('[\\B-\\B]'), false);
+assertEq(isRegExpSyntaxError('[\\b-\\B]'), false);
+assertEq(isRegExpSyntaxError('[\\B-\\b]'), true);
+//assertEq(isRegExpSyntaxError('[\\b-\\w]'), false);
+//assertEq(isRegExpSyntaxError('[\\B-\\w]'), false);
+
+/* Extension. */
+assertEq(isRegExpSyntaxError('[\\s-\\s]'), false);
+assertEq(isRegExpSyntaxError('[\\W-\\s]'), false);
+assertEq(isRegExpSyntaxError('[\\s-\\W]'), false);
+assertEq(isRegExpSyntaxError('[\\W-C]'), false);
+assertEq(isRegExpSyntaxError('[\\d-C]'), false);
+assertEq(isRegExpSyntaxError('[\\s-C]'), false);
+assertEq(isRegExpSyntaxError('[\\w-\\b]'), false);
+assertEq(isRegExpSyntaxError('[\\w-\\B]'), false);
-- 
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